Krus, David and Webb, James (Autumn, 1997). Demonstrating Variance Using the Muller-Lyer Illusion. Teaching Statistics, 19 (3), 72-76. (Session 1)
This article first appeared in Teaching Statistics <http://science.ntu.ac.uk/rsscse/ts/> and is used with permission.

Principles and Standards for School Mathematics. (Reston, VA: National Council of Teachers of Mathematics, 2000)
Standards on Data Analysis and Probability by grade level: K-2, 108-115; 3-5, 176-181; and 6-8, 248-255.

Pereira-Mendoza, Lionel and Dunkels, Andrejs (Summer, 1989). Stem-and-Leaf Plots in the Primary Grades. Teaching Statistics, 11 (2), 34-37. (Session 3)
This article first appeared in Teaching Statistics <http://science.ntu.ac.uk/rsscse/ts/> and is used with permission.

Noether, Gottfried (1994). Mental Random Numbers: Perceived Randomness and Real Randomness. Teaching Statistics at Its Best, 40-41. University of Sheffield, England: Teaching Statistics Trust. (Session 6)
This article first appeared in Teaching Statistics <http://science.ntu.ac.uk/rsscse/ts/> and is used with permission.

Perry, Mike (Spring, 1999). Push-Penny: Are You a Random Player? Teaching Statistics, 21 (1), 17-19. (Session 8)
This article first appeared in Teaching Statistics <http://science.ntu.ac.uk/rsscse/ts/> and is used with permission.

Woolley, Thomas (Autumn, 1998). A Note on Illustrating the Central Limit Theorem. Teaching Statistics, 20 (3), 89-90. (Session 9)
This article first appeared in Teaching Statistics <http://science.ntu.ac.uk/rsscse/ts/> and is used with permission.